rickets is a nutritional disorder that can develop if you do not get enough vitamin d calcium or phosphate rickets leads to poor functioning of a bone s growth plate growing edge softened and weakened bones stunted growth and in severe cases skeletal deformities
Hence, a 20-year period of the patent usually gives manufacturers a chance to recoup the cost of developing a new drug. When a drug patent expires, any pharmaceutical company can manufacture and sell the drug. A drug, which is produced and distributed without patent protection is called a generic drug.
You cannot patent: laws of nature, physical phenomena, abstract ideas, literary, dramatic, musical, and artistic works (you need a copyright for these). 5. Determine the type of patent you need to protect your invention. Apply for a utility patent for a product that has a specific, clearly-defined benefit to society. Most inventions fall into this category. Patent protection offered by a utility patent lasts for 20 years from the day the patent is granted.